Mildred Hubble is determined that this term at Miss Cackle’s Academy for Witches will be her best yet. She has a brilliant holiday project that she hopes will impress her strict form teacher, Miss Hardbroom, and even her rival, Ethel Hallow, seems to be on her side. But with Mildred being accident-prone and spells often going awry, it’s not long before things start going wrong. Between unintended magical mishaps and the usual school mischief, Mildred ends up having to rescue the day in her own way.